x+( 1+2/5)x=600
12x/5=600
x=600*5/ 12
X=250 (tree)
(1+2/5)x=350 (tree)
A: 250 trees were planted in the fifth grade and 350 trees were planted in the sixth grade.
Dear, please click to adopt the answer. Your adoption is my motivation to answer this question. If you don't understand, please ask questions. Thank you.
Supplement:
The problem has been solved, please accept the answer, thank you.
Q:
thank you
Answer:
Friends, please adopt the correct answer in time. Thank you.